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Record Information
Version1.0
Created at2022-09-02 08:51:58 UTC
Updated at2022-09-02 08:51:58 UTC
NP-MRD IDNP0152396
Secondary Accession NumbersNone
Natural Product Identification
Common Name11-hydroxychromeno[5,6-c]cinnolin-2-one
DescriptionFlavoxanthin belongs to the class of organic compounds known as xanthophylls. These are carotenoids containing an oxygenated carotene backbone. Carotenes are characterized by the presence of two end-groups (mostly cyclohexene rings, but also cyclopentene rings or acyclic groups) linked by a long branched alkyl chain. Carotenes belonging form a subgroup of the carotenoids family. Xanthophylls arise by oxygenation of the carotene backbone. Flavoxanthin is an extremely weak basic (essentially neutral) compound (based on its pKa). Outside of the human body, Flavoxanthin has been detected, but not quantified in, several different foods, such as dandelions, apricots, black elderberries, ginkgo nuts, and beverages. This could make flavoxanthin a potential biomarker for the consumption of these foods. 11-hydroxychromeno[5,6-c]cinnolin-2-one is found in Lactarius necator. It was first documented in 2000 (PMID: 11413487). Flavoxanthin is a natural xanthophyll pigment with a golden-yellow color found in small quantities in a variety of plants (PMID: 16902246) (PMID: 17374880) (PMID: 20044567).
Structure
Thumb
Synonyms
ValueSource
11-Hydroxy-2H-benzo(c)pyrano(2,3-H)cinnolin-2-oneHMDB
11-Hydroxy-2H-benzo[c]pyrano[2,3-H]cinnolin-2-one, 9ciHMDB
NecatorinHMDB
Chemical FormulaC15H8N2O3
Average Mass264.2356 Da
Monoisotopic Mass264.05349 Da
IUPAC Name9-hydroxy-6-oxa-17,18-diazatetracyclo[8.8.0.0²,⁷.0¹¹,¹⁶]octadeca-1(10),2(7),3,8,11,13,15,17-octaen-5-one
Traditional Name9-hydroxy-6-oxa-17,18-diazatetracyclo[8.8.0.0²,⁷.0¹¹,¹⁶]octadeca-1(10),2(7),3,8,11,13,15,17-octaen-5-one
CAS Registry NumberNot Available
SMILES
OC1=CC2=C(C=CC(=O)O2)C2=C1C1=CC=CC=C1N=N2
InChI Identifier
InChI=1S/C15H8N2O3/c18-11-7-12-9(5-6-13(19)20-12)15-14(11)8-3-1-2-4-10(8)16-17-15/h1-7,18H
InChI KeyWNQBVKOXDIYRFH-UHFFFAOYSA-N
Experimental Spectra
Not Available
Predicted Spectra
Spectrum TypeDescriptionDepositor IDDepositor OrganizationDepositorDeposition DateView
1D NMR13C NMR Spectrum (1D, 25 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 252 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 50 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 75 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 101 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 126 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 151 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 176 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 201 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 226 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Lactarius necatorLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as xanthophylls. These are carotenoids containing an oxygenated carotene backbone. Carotenes are characterized by the presence of two end-groups (mostly cyclohexene rings, but also cyclopentene rings or acyclic groups) linked by a long branched alkyl chain. Carotenes belonging form a subgroup of the carotenoids family. Xanthophylls arise by oxygenation of the carotene backbone.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassPrenol lipids
Sub ClassTetraterpenoids
Direct ParentXanthophylls
Alternative Parents
Substituents
  • Xanthophyll
  • Benzofuran
  • Dihydrofuran
  • Cyclic alcohol
  • Secondary alcohol
  • Oxacycle
  • Organoheterocyclic compound
  • Ether
  • Dialkyl ether
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Organooxygen compound
  • Alcohol
  • Aliphatic heteropolycyclic compound
Molecular FrameworkAliphatic heteropolycyclic compounds
External DescriptorsNot Available
Physical Properties
StateNot Available
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP2.34ALOGPS
logP2.03ChemAxon
logS-3.3ALOGPS
pKa (Strongest Acidic)6.02ChemAxon
pKa (Strongest Basic)1.28ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area72.31 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity73.39 m³·mol⁻¹ChemAxon
Polarizability25.9 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0036868
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDFDB015822
KNApSAcK IDC00003772
Chemspider IDNot Available
KEGG Compound IDC08594
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkFlavoxanthin
METLIN IDNot Available
PubChem Compound131752071
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Simons K, Toomre D: Lipid rafts and signal transduction. Nat Rev Mol Cell Biol. 2000 Oct;1(1):31-9. [PubMed:11413487 ]
  2. Watson AD: Thematic review series: systems biology approaches to metabolic and cardiovascular disorders. Lipidomics: a global approach to lipid analysis in biological systems. J Lipid Res. 2006 Oct;47(10):2101-11. Epub 2006 Aug 10. [PubMed:16902246 ]
  3. Sethi JK, Vidal-Puig AJ: Thematic review series: adipocyte biology. Adipose tissue function and plasticity orchestrate nutritional adaptation. J Lipid Res. 2007 Jun;48(6):1253-62. Epub 2007 Mar 20. [PubMed:17374880 ]
  4. Lingwood D, Simons K: Lipid rafts as a membrane-organizing principle. Science. 2010 Jan 1;327(5961):46-50. doi: 10.1126/science.1174621. [PubMed:20044567 ]
  5. LOTUS database [Link]